Check for Boolean fields when converting to GSR JSON
improved connection checker logic
send over system data to mapmeter on startup
send system data in separate thread
Merge pull request #28 from opengeo/mm-send-system-data

Mm send system data
rename console -> mapmeter (closes #21)
Avoid newlines in base64-encoded images
using gs.version rather than project.version for geoserver dependencies
prevent leaking connections

Re-use the same client instance, and thus connection manager with each
request. Also call close idle connections to force their closure. This
is probably unnecessary as re-using the same simple http connection
manager should give back the same connection every time.
immediately close other connections to mm

* system data is sent once on startup
* each connection check should be closed immediately
Unit tests for infinite loop in event clustering
Fix feedback loop of events
Nicer looking notification that clustering is working.